OGDEN -- Fire crews are mopping up hot spots from a string of fires along the south sie of 12th Street.
The fires spread from about Interstate 15 west to 2800 West. Fire officials said they believe a passing train ignited the string of small fires.
Currently 12th Street is closed from 1900 West to 2800 West.
No structures or utility lines were threatened by the flames. The fire burned mostly grass and some trees and stumps.
Crews from Ogden and Weber fire departments were called to the fires, which were reported about 10 a.m. Six brush trucks and two engines responded.
Officials expect crews to remain on the scene for several hours to handle the hot spots.